These amplifier bulbs are designed to help enlarge the nipple and then use the included rings to help the newly acquired size in place. You first slip the ring over the pump and then enlarge the nipples. Once the desired size is obtain, you like the ring down and over the nipple. There are pumps of two different sizes to make sure most nipples are accommodated.

Specs: Nipple Amplifier Bulbs with O-Rings

  • Size: Pumps are 2.63 inches long, Large Pump opening has 0.53 inch inner diameter, Small Pump opening has 0.35 inch inner diameter, O-Rings range from 0.33 to 0.54 inches inner diameter
  • Material: Rubber, glass
  • Color: Black
  • Note: Includes two pumps and 8 rings
  • The pumps help enlarge the nipples and the rings keep them in place
  • Enlarged nipples are more sensitive and enjoyable during play